The Dinex Group Executive and Leadership Team

October, 2026

Leadership Overview

The Dinex Group has 4 executives leading key functions including strategy, operations, financial planning, and partnership management.

Renowned for culinary excellence, The Dinex Group maintains a global standard for hospitality by blending fine dining artistry with casual service models to create memorable experiences for diverse international clientele.

Leadership Roles at The Dinex Group

  • Chief Executive Officer - Sebastien Silvestri
  • Chief Financial Officer - Marcel Doron
  • Chief Financial Officer & Partner - Brian Diamond
  • Chief of Staff - Jessica Schwartz
  • Sebastien Silvestri - Chief Executive Officer

    Sebastien Silvestri, the Chief Executive Officer at The Dinex Group, directs all global restaurant operations and strategic growth initiatives. Overseeing the expansion of the brand across international markets, the Chief Executive Officer ensures that every venue maintains the high standards of hospitality synonymous with the organization. This leadership role involves coordinating with culinary teams to refine service models and enhance the overall guest experience. By optimizing operational workflows, Sebastien Silvestri directly impacts the profitability and market presence of the entire restaurant collection. The Chief Executive Officer also manages high-level partnerships to secure the long-term viability of the business. Through rigorous oversight of daily performance metrics, Silvestri drives the company toward sustained excellence in the competitive hospitality sector. Ultimately, the Chief Executive Officer secures the reputation of the brand as a premier destination for fine dining and casual cuisine.

    Marcel Doron - Chief Financial Officer

    Marcel Doron, the Chief Financial Officer at The Dinex Group, manages the fiscal health and capital allocation strategies for the entire restaurant collection. Overseeing the financial reporting and budgeting processes, the Chief Financial Officer ensures that all venues operate within established economic parameters while maximizing profitability. This leadership role involves analyzing market trends to inform investment decisions and support the growth of the brand. By maintaining rigorous financial controls, Marcel Doron directly impacts the stability and expansion capabilities of the organization. The Chief Financial Officer also evaluates the performance of private dining and catering services to identify new revenue streams. Through precise forecasting and risk management, Doron secures the financial future of the company. Ultimately, the Chief Financial Officer provides the analytical foundation required to sustain the high-quality standards and culinary innovation that define the business in the global hospitality market.

    Brian Diamond - Chief Financial Officer & Partner

    Brian Diamond, the Chief Financial Officer & Partner at The Dinex Group, architects the long-term investment strategy and ownership structure for the restaurant portfolio. Overseeing the development of new business ventures, the Chief Financial Officer & Partner ensures that capital investments align with the overarching vision of culinary excellence. This leadership role involves negotiating complex agreements and managing stakeholder relations to strengthen the market position of the group. By focusing on asset management and strategic growth, Brian Diamond directly influences the valuation and sustainability of the brand. The Chief Financial Officer & Partner also collaborates with executive leadership to integrate new dining concepts into the existing collection. Through careful oversight of equity and debt structures, Diamond optimizes the financial architecture of the company. Ultimately, the Chief Financial Officer & Partner secures the competitive advantage of the organization by balancing fiscal responsibility with ambitious expansion goals.

    Jessica Schwartz - Chief of Staff

    Jessica Schwartz, the Chief of Staff at The Dinex Group, coordinates internal communications and aligns executive priorities with the broader mission of the organization. Managing the flow of information between departments, the Chief of Staff ensures that operational goals remain consistent across all restaurant venues. This leadership role involves facilitating cross-functional collaboration to streamline administrative processes and improve organizational efficiency. By implementing strategic frameworks, Jessica Schwartz directly supports the executive team in executing complex projects and long-term business objectives. The Chief of Staff also monitors the implementation of corporate policies to maintain a cohesive culture of quality and service. Through meticulous planning and resource allocation, Schwartz optimizes the internal infrastructure of the company. Ultimately, the Chief of Staff provides the necessary support to maintain the operational integrity of the entire restaurant group while fostering a productive environment for all staff members.

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    Frequently Asked Questions Regarding The Dinex Group Top Executives and Leadership Team

    Who leads The Dinex Group?
    The Dinex Group is led by Sebastien Silvestri (Chief Executive Officer), along with executives such as Marcel Doron (Chief Financial Officer) and Brian Diamond (Chief Financial Officer & Partner).
    Who is part of The Dinex Group’s executive team?
    The executive team of The Dinex Group includes leaders such as Sebastien Silvestri (Chief Executive Officer), Marcel Doron (Chief Financial Officer), Brian Diamond (Chief Financial Officer & Partner) and other senior executives.
    How many executives does The Dinex Group have?
    The Dinex Group has 4 executives leading key business areas.
    What roles are included in The Dinex Group’s leadership team?
    The leadership team of The Dinex Group includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Financial Officer & Partner, Chief of Staff.